John Locke quotes (English Philosopher who made great contributions in studies of politics, government and psychology. 1632-1704)
Joseph Addison quotes (English Essayist, Poet, Dramatist and Statesman, 1672-1719)
Thomas Jefferson quotes (American 3rd US President (1801-09). Author of the Declaration of Independence. 1762-1826)
Martin Luther King, Jr. quotes (American Baptist Minister and Civil-Rights Leader. 1929-1968)
Frederick Douglass quotes (American Abolitionist, Lecturer, Author and Slave, 1817-1895)